Y.Y. Lien , S.C. Sheu, H.J. Liu, S.C. Chen, M.Y. Tsai , S.C. Luo, K.C. Wu, S.S. Liu , H.Y. Su (2007) Cloning and nucleotide sequencing of the second internal transcribed spacer of ribosomal DNA for three species of Eimeria from chickens in Taiwan